C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Stalling LT1 issues?

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Old Jul 6, 2005 | 09:57 PM
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Default Stalling LT1 issues?

Im having problems with my LT1. It runs fine until it gets to normal crusing temp around 205 then when idling at a light it starts to miss badly (almost wanting to die) when i accelerate the problem goes away to an extent but still misses. No trouble codes . Any ideas?
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Old Jul 6, 2005 | 10:39 PM
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How can you tell when the opti is going bad? Is there any way to check it?
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Old Jul 7, 2005 | 12:20 AM
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The up to operating temp is the key peice of information. The opti should crap out throughout temp ranges, not just at 205+. Check the coil wire when it is up to temp, it can get pretty bendy when it's hot, might be arcing.
Does it only mess up at 205+? or do you notice it starting to happen at lower temps too (trying to figure out if the problem is occuring near the switch to closed loop). The more info we have, the more we can help you (well, the more others can help you, I only know a couple of random things).
-Dave
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Old Jul 9, 2005 | 02:07 AM
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it seems to start missing badly only when the temp gets over 200 and it runs fine until that point.
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Old Jul 9, 2005 | 07:29 AM
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icm going bad??? (only a guess)
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Old Jul 9, 2005 | 06:12 PM
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O2 going bad... problems in closed loop... Just a thought
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